I am a 13yo kid I was wondering if I could get a job as a game tester and get paid while...

Not exactly how it.works

First you need to have a relative.working for.a developer then you get Beta access but you.Don't get paid

All Beta tests are done internally

Then you get.the early.beta.access which are usually multiplayer which you either pre-order or join the open beta which you do.not get paid

What you are talking about is a intern's job

Most of the time you would be serving coffee or deliver mail and you would have to be 16-18 most of the time 18 due to the fact you need to sign an NDA to do Beta testing

I would love to work in the gaming industry as I have always wanted to be a games tester or even get paid to game since I was a child and I would probably enjoy it more then my current job and I would probably be paid more if I could work on the gaming
industry as a games tester and get paid for it, it would be a dream come true.

"Because of overwhelming response and limited space..." there currently is no way for anyone to invite you to the Insider Preview
program

You'll have to wait until current Insiders drop out of the program for inactivity, and room is again freed up for new interested users.

Beta tester for what?

Games developers handle beta invites.

If you mean the Insider program then just download the app on your console & apply,you don't need an invite for that.

If you are interested, you will need to add the Insider app to your box. http://support.xbox.com/en-US/xbox-one/console/xbox-insider-program